Someone please help me!!!! got a 95 lude h22 keep getting code 9 for cylinder 1 sensor, replaced and still getting it!!! i also got code 43 for fuel system but erased codes and havent got that one since. just redid all vaccuum lines b/c i found a bad one. has a walbro pump and jackson adjustable fmu installed in prep for boost but that all worked for last 5 months with no issues. only thing that has changed is catco cat was removed for track use and i havent reinstalled yet. anyone with any ideas i would love to hear it. been messing with it for 2 weeks!!!!